?About us:;This TUNTUN Rear Drop Lowering Shackles;set;was manufacturer by a professional factory in China, which have been specialized in;automobile parts;for many year. All products have been exported to Global Market which was made of High Quality Material,ensuring a long service life. Factory direct, quality assurance, best price! ?OEM Part Number:;410730 ?Fits for:; Fit For 20012006 Chevrolet Silverado 1500HD ; 20012006 GMC Sierra 1500HD. Fit For 20012010 Chevrolet Silverado 2500HD; 20012010 GMC Sierra 2500HD. Fit For 20072010 Chevrolet Silverado 3500HD; 20072010 GMC Sierra 3500HD. ?Function: The adjustable design can lower your truck 23 inches smoothly, providing you with longterm stability and excellent performance. ?Features:;Easy installation; Direct replacement and Perfect fit; Our Rear Drop Lowering Shackles is a perfect replacement, made of high quality antirust steel material which is is strong and durable in avoid of rust and corrosion, ensuring high performance to extend long service life. ?Our :;One year . All products have been 100Percent tested before delivery and to offer true worryfree shopping experience. Wishing you a happy online shopping! :);